CN209375508U - Electric tool control device based on FOC - Google Patents
Electric tool control device based on FOC Download PDFInfo
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- CN209375508U CN209375508U CN201822224264.1U CN201822224264U CN209375508U CN 209375508 U CN209375508 U CN 209375508U CN 201822224264 U CN201822224264 U CN 201822224264U CN 209375508 U CN209375508 U CN 209375508U
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- 239000003792 electrolyte Substances 0.000 description 6
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- 238000011105 stabilization Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007659 motor function Effects 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000005868 electrolysis reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of electric tool control device based on FOC, the electric tool control device of the FOC includes: power module, power follower, FOC controller, predrive circuit, inverter bridge and motor, power follower is exported for acquiring power module to the busbar voltage of inverter bridge and bus current, and exports reference current to FOC controller according to the busbar voltage of inverter bridge and bus current；FOC controller is used for according to reference current output drive signal to predrive circuit, and it acquires and motor speed and power of motor is calculated according to the phase current of motor after the phase current of motor, by motor speed and power of motor feedback to power follower, so that power follower adjusts reference current according to motor speed and power of motor；Predrive circuit is used to for the driving signal that FOC controller exports being converted into the high-voltage driven signal of driving inverter bridge, to control the motor operating.The utility model reduces the cost of the electric tool control device based on FOC, improves service life.
Description
Technical field
The utility model relates to motor control technology field, in particular to a kind of electric tool control device based on FOC.
Background technique
It will be handed over it is desirable to have substantially by the electric tool control system that exchange turns direct current supply and have in diode
Circulation is that direct current is needed through the bus capacitor of very large capacity to voltage filter, the appearance of the capacitor of the bigger needs of system power later
Value is also bigger, and for the capacitor of large capacity substantially all based on electrolytic capacitor, the scale of construction of big electrolytic capacitor is very big on the market now,
The volume of equipment can be greatly increased, the price of capacitor can increase, the restricted lifetime of electrolytic capacitor with the increase of capacitance,
The service life of entire circuit system is largely also influenced whether in rectifier using electrolytic capacitor.
Utility model content
The main purpose of the utility model is to propose a kind of electric tool control device based on FOC, it is intended to solve to reduce
The cost of electric tool control device based on FOC, improves service life.
To achieve the above object, the utility model proposes a kind of electric tool control device based on FOC, the electricity of the FOC
Power driven tools control device includes: power module, power follower, FOC controller, predrive circuit and inverter bridge, the power supply
Module is connect with the power follower, the FOC controller, the predrive circuit and the inverter bridge respectively, and described
Power follower, the FOC controller, the predrive circuit and the inverter bridge are successively linked in sequence, and the inverter bridge is used
In connection motor；Wherein,
The power follower is exported for acquiring the power module to the busbar voltage of the inverter bridge and bus electricity
Stream, and reference current is exported to the FOC controller according to the busbar voltage of the inverter bridge and bus current；
The FOC controller is used for according to the reference current output drive signal to the predrive circuit, and acquires
Motor speed and power of motor are calculated according to the phase current of the motor after the phase current of the motor, by the motor speed
It feeds back with power of motor to the power follower, so that the power follower is according to the motor speed and power of motor tune
The whole reference current；
The predrive circuit, the driving signal for exporting the FOC controller are converted into driving the inverter bridge
High-voltage driven signal, to control motor operating.
It optionally, include filter capacitor in the power module, the capacitance of the filter capacitor is less than or equal to
20uF。
Optionally, the power follower includes speed ring PI circuit and power ring PI circuit, the speed ring PI circuit
It is successively linked in sequence with the power ring PI circuit.
Optionally, the power follower samples the power module by ADC and exports to the busbar voltage of inverter bridge, mother
Line current.
Optionally, the FOC controller includes rotor flux PI controller, rotor torque PI controller, the change of the first coordinate
Parallel operation, the second coordinate converter, third coordinate converter, driving signal output circuit, 4-coordinate converter, Five Axis become
Parallel operation, current acquisition reconfigurable circuit and angle output circuit, wherein
The first end of the rotor flux PI controller and the first end of the rotor torque PI controller are separately connected institute
State the second end of power follower, the second of the second end of the rotor flux PI controller and the rotor torque PI controller
End is separately connected the first end of first coordinate converter, and the second end connection described second of first coordinate converter is sat
The first end of converter is marked, the second end of second coordinate converter connects the first end of the third coordinate converter, institute
The second end for stating third coordinate converter connects the first end of the driving signal output circuit, the driving signal output circuit
Second end connect the first end of the predrive circuit, the first end of the 4-coordinate converter is separately connected the rotor
The first end of the first end of magnetic flux PI controller and the rotor torque PI controller, the second end of the 4-coordinate converter
The first end of the Five Axis converter is connected, the second end of the Five Axis converter connects the current acquisition reconstruct
Circuit, first coordinate converter and the 4-coordinate converter interconnect, and the angle output circuit is connected to institute
It states between the first coordinate converter and the 4-coordinate converter.
Optionally, the angle output circuit includes the angular transducer for acquiring the motor rotor position.
Optionally, it is the wavy wave of 100HZ steamed bun that the power module, which is exported to the busbar voltage of inverter bridge, bus current,
Shape.
Technical solutions of the utility model include power module, power by using the electric tool control device based on FOC
Follower, FOC controller, predrive circuit and inverter bridge, the power module respectively with the power follower, the FOC
Controller, the predrive circuit are connected with the inverter bridge, and the power follower, the FOC controller, the pre- drive
Dynamic circuit and the inverter bridge are successively linked in sequence, and the inverter bridge is for connecting motor；The power module, for described
Power follower, the FOC controller, the predrive circuit and the inverter bridge provide power supply, due to the power module
In do not have big electrolytic capacitor, allow for the electric tool control device based on FOC the scale of construction reduce, cost reduce, do not have simultaneously
There is the limitation of big electrolytic capacitor, improves the service life of control device；The power follower, for acquiring the power module
It exports to the busbar voltage and bus current of the inverter bridge, and is exported according to the busbar voltage of the inverter bridge and bus current
Reference current is not needed using PFC PFC, just to the FOC controller due to the control of the power follower
So that entirely the power factor of the electric tool control device based on FOC is improved, the cost of control device is also reduced；Institute
FOC controller is stated, is used for according to the reference current output drive signal to the predrive circuit, and acquire the motor
Motor speed and power of motor are calculated according to the phase current of the motor after phase current, by the motor speed and power of motor
The power follower is fed back, so that the power follower adjusts the reference according to the motor speed and power of motor
Electric current；The predrive circuit, the driving signal for exporting the FOC controller are converted into driving the height of the inverter bridge
Driving signal is pressed, to control the motor operating, technical solutions of the utility model are not required to based on the electric tool control device of FOC
Filtering of the big electrolytic capacitor to voltage is wanted, voltage stabilization can be equally reached, reduces the electric tool control device based on FOC
Cost improves service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of electric tool control device one embodiment of the utility model based on FOC；
Fig. 2 is that the utility model is shown based on the structure of one embodiment of power follower in the electric tool control device of FOC
It is intended to；
Fig. 3 is structural representation of the utility model based on one embodiment of FOC controller in the electric tool control device of FOC
Figure.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Power module | 320 | Rotor torque PI controller |
| 200 | Power follower | 330 | First coordinate converter |
| 300 | FOC controller | 340 | Second coordinate converter |
| 400 | Predrive circuit | 350 | Third coordinate converter |
| 500 | Inverter bridge | 360 | Driving signal output circuit |
| 600 | Motor | 370 | 4-coordinate converter |
| 210 | Speed ring PI circuit | 380 | Five Axis converter |
| 220 | Power changes PI circuit | 390 | Current acquisition reconfigurable circuit |
| 310 | Rotor flux PI controller | 395 | Angle output circuit |
The realization of the utility model aim, functional characteristics and it can put that the embodiments will be further described with reference to the accompanying drawings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of electric tool control devices based on FOC.
In an embodiment of the utility model, as shown in Figure 1, the electric tool control device of the FOC includes: power module
100, power follower 200, FOC controller 300, predrive circuit 400 and inverter bridge 500, the power module 100 respectively with
The power follower 200, the FOC controller 300, the predrive circuit 400 and the inverter bridge 500 connect, and institute
Power follower 200, the FOC controller 300, the predrive circuit 400 and the inverter bridge 500 is stated successively sequentially to connect
It connects, the inverter bridge 500 is for connecting motor 600；Wherein,
The power follower 200, for acquiring the bus electricity of the output of power module 100 to the inverter bridge 500
Pressure and bus current, and reference current is exported according to the busbar voltage of the inverter bridge 500 and bus current and is controlled to the FOC
Device 300；
The FOC controller 300 is used for according to the reference current output drive signal to the predrive circuit 400,
And acquire and motor speed and power of motor are calculated according to the phase current of the motor 600 after the phase current of the motor 600, it will
The motor speed and power of motor feedback are to the power follower 200, so that the power follower 200 is according to the electricity
Machine speed and power of motor adjust the reference current；
The predrive circuit 400, the driving signal for exporting the FOC controller 300 are converted into described in driving
The high-voltage driven signal of inverter bridge 500 is operated with controlling the motor 600.
In the present embodiment, power module 100 is used for the power follower 200, the FOC controller 300, described pre-
Driving circuit 400 and the inverter bridge 500 provide power supply；It is the power follower 200, the FOC controller 300, described pre-
Driving circuit 400 and the inverter bridge 500 are successively linked in sequence, it is to be understood that power follower 200 in the present embodiment
Second end connects the first end of FOC controller 300, and the second end of FOC controller 300 is connected to the first of predrive circuit 400
End, the first end of FOC controller 300 that is to say the input terminal of IQREF reference current, the second end of FOC controller 300 herein
It is the output end of driving signal, the first end of the second end connection inverter bridge 500 of predrive circuit 400, the of inverter bridge 500
Two ends connect motor 600, that is to say in the electric tool control device of FOC speed preset to power follower 200, power with
Reference current IQREF is exported with device 200 and gives FOC controller 300, controls the output of FOC controller 300, FOC controller
The phase current of 300 acquisition motors 600 is calculated, and calculates motor speed and motor function according to the phase current of the motor 600
Rate, it is defeated with the cooperation adjustment of power follower 200 by the motor speed and power of motor feedback to the power follower 200
Target reference current is to make motor speed reach target velocity after power follower 200 adjusts to FOC controller 300 out,
Target reference current constant output is adjusted again to the predrive circuit 400, is that control output drive signal is electric to predrive
The driving signal exported from FOC controller 300 is converted into high-voltage driven signal by predrive circuit 400 by road 400, to drive
Dynamic inverter bridge 500 controls motor 600 and is operated.
It should be noted that not having large capacity electrolysis electricity in the power module 100 of the electric tool control device of FOC
Hold, for the scheme of the present embodiment, do not need to carry out voltage filter by the electrolytic capacitor of large capacity come the stabilization of maintenance voltage,
Such as this big electrolytic capacitor is 470uF, 4700uF etc.；Due to there is no big capacity electrolyte capacitor, the electric tool control based on FOC
Device can do circuit small, reduce the volume of control device；For some powerful equipment because not sufficiently large
Monomer capacitor then by the way of group pattern, and this programme can be done using the electric tool control device based on FOC
To substitution big capacity electrolyte capacitor and group pattern mode, the cost for reducing electric tool control device is realized；In the electronic work of FOC
The raising of control device power factor may be implemented in tool control device by power follower 200, that is, due to this programme
Without using big capacity electrolyte capacitor, the diode current flow angle of rectifier will be greatly increased in control device, entire circuit
Harmonic component is reduced, and can be reached very high power factor, there is no need to be further added by PFC PFC, reached reduction
The cost of control device；In addition, the adjustment based on FOC algorithm control and power follower 200, can guarantee voltage in circuit
Stablize, therefore, also goes to carry out pressure stabilizing there is no need to big electrolytic capacitor in entire circuit, and then reduce big electrolytic capacitor to entire dress
The aging effects set improve the service life based on FOC electric tool control device.
In the present embodiment, the power module 100 includes the capacitor for being less than or equal to 20uF, based on FOC's
Do not have big capacity electrolyte capacitor, and the capacitor including a very little in electric tool control device, this capacitor be less than or
Capacitor equal to 20uF can be used for filtering out the higher hamonic wave in the electric tool control device of FOC, it is to be understood that electricity
The capacitor of very little can be for 15uF, 10uF, 8uF etc., herein with no restrictions in source module.
In above-described embodiment, by the electric tool control device based on FOC be arranged power module 100, power with
With device 200, FOC controller 300, predrive circuit 400 and inverter bridge 500, the electricity is acquired using the control of power follower 200
Source module is exported to the busbar voltage of the inverter bridge and bus current, and according to the busbar voltage of the inverter bridge and bus electricity
Stream output reference current is to the FOC controller, and FOC controller 300 is according to the reference current output drive signal to described
Predrive circuit, and acquire and motor speed and motor function are calculated according to the phase current of the motor after the phase current of the motor
Rate, and by the motor speed and power of motor feedback to the power follower, with FOC controller 300 and power follower
200 combination adjusts the reference current with output drive signal to predrive circuit 400, will be driven by predrive circuit 400
Dynamic signal is converted into high-voltage driven signal to drive inverter bridge 500 to control motor 600 and run well, and the present embodiment, which realizes, to be based on
The voltage stabilization of the electric tool control device of FOC does not need connection big capacity electrolyte capacitor and carrys out maintenance voltage to voltage filter
Stabilization, the cost of the electric tool control device based on FOC is reduced with this, improves service life.
In one embodiment, as shown in Fig. 2, the power follower includes speed ring PI circuit 210 and power ring PI electricity
Road 220, the speed ring PI circuit 210 are successively linked in sequence with the power ring PI circuit 220, it is to be understood that speed
Give the first end of speed ring PI circuit 210, the second end connection power of speed ring PI circuit 210 changes the of PI circuit 220
One end, the second end that power changes PI circuit 220 are connected to the first end of FOC controller, according to the busbar voltage of the inverter bridge
Reference current is exported to FOC controller with bus current.
In the present embodiment, in power follower, the motor speed feedback that is calculated in speed ring input value and FOC controller
Difference after value is compared is output to electric current loop after speed ring does PID adjusting processing, speed ring fed back through power with
With the value after encoder feedback in device by velocity arithmetic device obtain, it should be noted that PID adjust be mainly proportional gain and
Integral, speed ring PI circuit contain speed ring and electric current loop.Speed ring cascade compensation device include an integral element, with gram
Static error caused by motor dead zone and power amplifier drift is taken, guarantees static accuracy index, it is static just to improve control device
Degree.It is transferred to power ring PI circuit again by speed ring PI circuit, it is to be understood that power ring input value and FOC controller
Difference after the power of motor value of feedback of middle calculating is compared exports after power ring does PID adjusting processing, further according to described
The busbar voltage and bus current of inverter bridge export reference current to FOC controller.
In the present embodiment, the speed ring PI circuit 210 is the control outer ring of the power follower, it is possible to understand that
It is that speed ring PI circuit 210 carries out the control of motor speed as control outer ring by the frequency of input or the pulse of analog quantity,
In the outer loop control for having host control device, speed ring PI circuit 210 can be positioned, the position signal of motor or straight
The position signal for connecing load is fed back to upper to do operation.To reach the error during reducing intermediate transmission, increase entire
The positioning accuracy of control device.
In the present embodiment, the power follower samples the power module by ADC and exports to the bus electricity of inverter bridge
Pressure, bus current, it is to be understood that in power follower, can by ADC sample realize to circuit median generatrix voltage,
Bus current follows, and that is to say following for power, to reach the performance for improving entire control device.
In one embodiment, as shown in figure 3, the FOC controller includes rotor flux PI controller 310, rotor torque
PI controller 320, the first coordinate converter 330, the second coordinate converter 340, third coordinate converter 350, driving signal are defeated
Circuit 360,4-coordinate converter 370, Five Axis converter 380, current acquisition reconfigurable circuit 390 and angle output electricity out
Road 395, wherein
The first end of the rotor flux PI controller 310 and the first end of the rotor torque PI controller 320 difference
Connect the second end of the power follower, the second end of the rotor flux PI controller 310 and rotor torque PI control
The second end of device 320 processed is separately connected the first end of first coordinate converter 330, first coordinate converter 330
Second end connects the first end of second coordinate converter 340, described in the second end connection of second coordinate converter 340
The first end of third coordinate converter 350, the second end of the third coordinate converter 350 connect the driving signal output electricity
The first end on road 360, the second end of the driving signal output circuit 360 connects the first end of the predrive circuit, described
The first end of 4-coordinate converter 370 is separately connected the first end of the rotor flux PI controller 310 and the rotor turns
The second end of the first end of square PI controller 320, the 4-coordinate converter 370 connects the Five Axis converter 380
First end, the second end of the Five Axis converter 380 connects the current acquisition reconfigurable circuit 390, and described first sits
It marks converter 330 and the 4-coordinate converter 370 interconnects, the angle output circuit 395 is connected to described first
Between coordinate converter 330 and the 4-coordinate converter 370.
In the present embodiment, FOC controller receives the input of reference current IQREF in power follower, then is controlled by FOC
Device acquires motor data and carries out the first coordinate converter 330, the second coordinate converter 340, third coordinate converter the 350, the 4th
Coordinate converter 370, Five Axis converter 380 and calculation processing, so that driving signal output circuit output drive signal arrives
Predrive circuit, current acquisition reconfigurable circuit 390 output signals to inverter bridge；It is understood that described based on the electronic of FOC
The control core of tools control is the FOC controller, that is to say the FOC controller by acquiring the motor data
It is calculated, and combines power follower output drive signal；The vector controlled of FOC controller adjusts control in the present embodiment
The output frequency of device, the size of output voltage and angle, cooperation motor use, reduce and control dress based on FOC electric tool
The cost set and lower energy consumption is controlled, due to not limited by big capacity electrolyte capacitor, also improved based on the electronic work of FOC
Has the service life of control device.
In the present embodiment, the first coordinate converter is PARK inverter, and the second coordinate converter is CLARKE inversion
Device, third coordinate converter are SVPWM inverter, and 4-coordinate converter is PARK converter, Five Axis converter
It is CLARKE converter；Inverter bridge 500 acquires motor in the phase of operation with current acquisition reconfigurable circuit between motor 600
Electric current, phase current include IA, IB, IC, in FOC controller coordinate axis transform include PARK inverter, CLARKE inverter,
SVPWM inverter, CLARKE converter and PARK converter, CLARKE converter and PARK converter are used to three-phase rotate and sit
Parameter electric current IA, IB are transformed into D, Q axis vertical coordinate axle ID, IQ current signal；Rotor flux PI controller is used to be joined according to D axis
Electric current IDREF and fed-back current signals D axis feedback current IDREF are examined, rotor torque PI controller is used for according to Q axis reference current
IQREF fed-back current signals and Q axis feedback current IQREF pass through rotor flux PI controller and rotor torque PI controller
PI algorithm controls D axis, Q shaft current, and defeated to UD, UQ voltage signal；Pass through PARK inverter and CLARKE inversion again
Device is reference axis inverse transformation D, and Q vertical coordinate axle UD, UQ signal is transformed into α, β vertical rotary reference axis U α, U β voltage letter
Number；α, β vertical rotary reference axis U α, U β voltage signal for being transformed into three-phase U, V, W output duty cycle by SVPWM transformation output
Voltage signal.
In the present embodiment, the angle output circuit includes the angular transducer for acquiring the motor rotor position, i.e.,
It is that angle in the angle output circuit passes through angular transducer acquisition and obtains；It is understood that can also be controlled by FOC
The angle output circuit of device processed, which is estimated, to be obtained, and estimates motor speed feedback to power follower, so that power follower with this
With the operating of the cooperation control motor of FOC controller.
It should be noted that busbar voltage, bus current and function in the above-mentioned electric tool control device based on FOC
Rate is the wavy waveform of 100HZ steamed bun.
The foregoing is merely the alternative embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of electric tool control device based on FOC, which is characterized in that the electric tool control device of the FOC includes: electricity
Source module, power follower, FOC controller, predrive circuit and inverter bridge, the power module are followed with the power respectively
Device, the FOC controller, the predrive circuit are connected with the inverter bridge, and the power follower, the FOC are controlled
Device, the predrive circuit and the inverter bridge are successively linked in sequence, and the inverter bridge is for connecting motor；Wherein,
The power follower is exported for acquiring the power module to the busbar voltage of the inverter bridge and bus current,
And reference current is exported to the FOC controller according to the busbar voltage of the inverter bridge and bus current；
The FOC controller is used for according to the reference current output drive signal to the predrive circuit, and described in acquisition
Motor speed and power of motor are calculated according to the phase current of the motor after the phase current of motor, by the motor speed and electricity
Machine Feedback of Power is to the power follower, so that the power follower adjusts institute according to the motor speed and power of motor
State reference current；
The predrive circuit, the driving signal for exporting the FOC controller are converted into driving the height of the inverter bridge
Driving signal is pressed, to control the motor operating.
2. as described in claim 1 based on the electric tool control device of FOC, which is characterized in that wrapped in the power module
Containing filter capacitor, the capacitance of the filter capacitor is less than or equal to 20uF.
3. as described in claim 1 based on the electric tool control device of FOC, which is characterized in that the power follower packet
Speed ring PI circuit and power ring PI circuit are included, the speed ring PI circuit is successively linked in sequence with the power ring PI circuit.
4. as claimed in claim 3 based on the electric tool control device of FOC, which is characterized in that the power follower is logical
It crosses ADC and samples the power module and export to the busbar voltage of inverter bridge, bus current.
5. as described in claim 1 based on the electric tool control device of FOC, which is characterized in that the FOC controller includes
Rotor flux PI controller, rotor torque PI controller, the first coordinate converter, the second coordinate converter, third coordinate transform
Device, driving signal output circuit, 4-coordinate converter, Five Axis converter, current acquisition reconfigurable circuit and angle output
Circuit, wherein
The first end of the rotor flux PI controller and the first end of the rotor torque PI controller are separately connected the function
The second end of the second end of rate follower, the second end of the rotor flux PI controller and the rotor torque PI controller point
The first end of first coordinate converter is not connected, and the second end of first coordinate converter connects second coordinate and becomes
The first end of parallel operation, the second end of second coordinate converter connect the first end of the third coordinate converter, and described
The second end of three coordinate converters connects the first end of the driving signal output circuit, and the of the driving signal output circuit
Two ends connect the first end of the predrive circuit, and the first end of the 4-coordinate converter is separately connected the rotor flux
The first end of the first end of PI controller and the rotor torque PI controller, the second end connection of the 4-coordinate converter
The first end of the Five Axis converter, the second end of the Five Axis converter connect the current acquisition reconstruct electricity
Road, first coordinate converter and the 4-coordinate converter interconnect, and the angle output circuit is connected to described
Between first coordinate converter and the 4-coordinate converter.
6. as claimed in claim 5 based on the electric tool control device of FOC, which is characterized in that the angle output circuit
It include the angular transducer for acquiring the motor rotor position.
7. as described in claim 1 based on the electric tool control device of FOC, which is characterized in that the power module output
It is the wavy waveform of 100HZ steamed bun to the busbar voltage of inverter bridge, bus current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224264.1U CN209375508U (en) | 2018-12-27 | 2018-12-27 | Electric tool control device based on FOC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224264.1U CN209375508U (en) | 2018-12-27 | 2018-12-27 | Electric tool control device based on FOC |
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| CN209375508U true CN209375508U (en) | 2019-09-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474218A (en) * | 2018-12-27 | 2019-03-15 | 峰岹科技（深圳）有限公司 | Electric tool control device based on FOC |
| CN111614296A (en) * | 2020-07-07 | 2020-09-01 | 安创生态科技(深圳)有限公司 | Magnetic field orientation control method and device for multi-core multi-axis motor |
| CN109474218B (en) * | 2018-12-27 | 2024-07-16 | 峰岹科技(深圳)股份有限公司 | FOC-based electric tool control device |
-
2018
- 2018-12-27 CN CN201822224264.1U patent/CN209375508U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474218A (en) * | 2018-12-27 | 2019-03-15 | 峰岹科技（深圳）有限公司 | Electric tool control device based on FOC |
| CN109474218B (en) * | 2018-12-27 | 2024-07-16 | 峰岹科技(深圳)股份有限公司 | FOC-based electric tool control device |
| CN111614296A (en) * | 2020-07-07 | 2020-09-01 | 安创生态科技(深圳)有限公司 | Magnetic field orientation control method and device for multi-core multi-axis motor |
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